Copywiting &quot;content&quot; atticles for web site with SEO

There are 126 articles one for each of the 7 cities and 17 categories for each city, each article needs to be unique not just changing a city name for each category. We will need a keyword density of 3-5% (with 2% being the optimum) key phrases. This can make writing factually correct as well as sensible

sounding difficult.

500 word to 600 word articles about the following cities.

Tucson AZ.

Salt Lake City UT.

Boston MA.

San Francisco CA.

Colorado Springs CO.

Minneapolis MN.

Miami Fl.

Then articles of 400 to 500 words for each city for the following 17 categories using the key words and city name. i.e. &quot;Tucson homes&quot; or &quot;Tucson homes for sale&quot;